The document discusses 16 common conversion killers that can negatively impact sales. Some examples mentioned include not conducting split tests, making small tweaks without bold changes, customers not being in shopping mode, lack of trust, usability issues, and competitors getting the sale. It provides remedies for these killers such as establishing trust through proof, addressing objections, improving the customer experience, and focusing marketing efforts. The author encourages taking specific actions like reviewing popular reports and attending a conversion clinic for more tips to improve conversions.